In our school there ______ a number of books on science and the number of them ______ growing larger and larger.
#43622
A
is; are
B
are; is
C
are; are
D
is; is
推荐题目
When the teacher asks him, he always ____.
#43575
A
keep silent
B
keep silently
C
keeps silent
D
keeps silenty
---I saw Betty to Grandpa Li's home just now.---Yes. She’s often seen _________ the old man with the housework.
#43823
A
go, help
B
going, to help
C
go, to help
D
going, helps
